TABLE 2.

Effect of supplemental multi-enzyme on the performance of aged breeding hens.

Item	Egg production (%)	Egg weight (g)	Damaged egg (%)	Abnormal egg (%)	FCRa (g feed/g egg)	Mortality (%)	Feed intake (g/d/hen)
55–59 weeks
DCb	74.1	62.2	4.9	2.8	2.3	1.8	107.2
CEc	76.0	63.1	4.5	3.2	2.2	0.9	105.0
SEM	1.7	0.4	0.5	0.4	0.1	0.7	1.0
P-value	0.59	0.25	0.70	0.61	0.20	0.55	0.32
59–63 weeks
DCb	76.5	62.6	4.4	5.2	2.4	0.9	115.3
CEc	77.2	63.8	4.7	4.3	2.4	3.6	115.4
SEM	1.8	0.3	0.7	0.4	0.1	0.8	1.2
P-value	0.86	0.08	0.83	0.33	0.52	0.11	0.95
55–63 weeks
DCb	75.3	62.4	4.6	4.0	2.4	2.7	111.2
CEc	76.6	63.4	4.6	3.8	2.3	4.5	110.1
SEM	1.5	0.3	0.6	0.4	0.0	0.9	1.0
P-value	0.67	0.13	0.99	0.71	0.21	0.32	0.61

^aFCR, feed conversion ratio.

^bDC, dietary control (basal diet).

^cCE, basal diet + 0.2 g/kg complex enzymes.